The AXA Newton Pro is approved for bikes and light motor vehicles insurance. Made from hardened steel with a diameter of 17 mm. The anti drill cylinder features a manual cover to protect it against moisture and dirt. The lock holder is easy to fasten to your frame. Supplied with 2 keys. For misplaced keys use the international online key service - order your key at axabikesecurity.com and your replacement key will be delivered within a few days. You will need to take note of your key number.